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-rw-r--r--generic/tclEnv.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/generic/tclEnv.c b/generic/tclEnv.c
index ad55645..64d0309 100644
--- a/generic/tclEnv.c
+++ b/generic/tclEnv.c
@@ -36,6 +36,11 @@ TCL_DECLARE_MUTEX(envMutex) /* To serialize access to environ. */
# define techar char
#endif
+
+/* MODULE_SCOPE */
+size_t TclEnvEpoch = 0; /* Epoch of the tcl environment
+ * (if changed with tcl-env). */
+
static struct {
int cacheSize; /* Number of env strings in cache. */
char **cache; /* Array containing all of the environment
@@ -417,6 +422,7 @@ Tcl_PutEnv(
value[0] = '\0';
TclSetEnv(name, value+1);
}
+ TclEnvEpoch++;
Tcl_DStringFree(&nameString);
return 0;
@@ -624,6 +630,7 @@ EnvTraceProc(
if (flags & TCL_TRACE_ARRAY) {
TclSetupEnv(interp);
+ TclEnvEpoch++;
return NULL;
}
@@ -644,6 +651,7 @@ EnvTraceProc(
value = Tcl_GetVar2(interp, "env", name2, TCL_GLOBAL_ONLY);
TclSetEnv(name2, value);
+ TclEnvEpoch++;
}
/*
@@ -667,6 +675,7 @@ EnvTraceProc(
if (flags & TCL_TRACE_UNSETS) {
TclUnsetEnv(name2);
+ TclEnvEpoch++;
}
return NULL;
}